Am 15. Mai 2018 22:49:15 MESZ schrieb Kalin KOZHUHAROV <[email protected]>:
>On Tue, May 15, 2018 at 10:21 PM, Devan Carpenter
>> Using NTP is not a viable solution for a distributed mesh network.
>What
>> if the Internet is only accesible via WG, or what if the network is
>not
>> connected to the Internet at all?
>>
>Why do you need the Internet at all?
>You can do as simple as plug a $20 GPS receiver (serial/USB) in any
>node and get precise time that is shared with others in the network.
$20 would increase the HW cost of many typical community-networks (CN)
deployments significantly. Plus requiering more knowledge, maintenence, and
power supply for sometimes solar-powered setups. Think of a recent typical CN
node like this [1], so no usb. The admins are not hackers. Also there are tens
of thousands of existing and productively operating (partially 5-10-years-old)
nodes that nobody wants to upgrade HW wise.
It is really NOT as simple as it sounds to plug a $20 GPS !!!
[1] https://www.tp-link.com/en/products/details/cat-37_CPE510.html
/axel
--
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